Home / 1,139,283.84-1,707,431.04-838,355.52

Finding the Fourth Proportional to 1,139,283.84, 1,707,431.04 and 838,355.52

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Solution

The fourth proportional to 1,139,283.84, 1,707,431.04 and 838,355.52 is: 1,256,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,283.84 : 1,707,431.04 = 838,355.52 : x
  2. Step 2: Convert to fraction form
    1,139,283.84/1,707,431.04 = 838,355.52/x
  3. Step 3: Cross multiply
    1,139,283.84x = 1,707,431.04 × 838,355.52
  4. Step 4: Simplify right side
    1,139,283.84x = 1,431,434,237,403.34
  5. Step 5: Solve for x
    x = 1,431,434,237,403.34/1,139,283.84
  6. Step 6: Final answer
    x = 1,256,433.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.